Classifications

• • G01V5/20—
• • G—PHYSICS
  • G07—CHECKING-DEVICES
  • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
  • G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J49/00—Particle spectrometers or separator tubes

Definitions

• the present invention relates to a security gate system and security gate control that can be used in places where people gather, such as stations, airports, harbors, baseball fields, soccer fields, event halls, theaters, museums, and museums. Regarding the method.
• Patent Document 1 Japanese Patent Laid-Open No. 2002-170517
• Patent Document 2 Japanese Translation of Special Publication 2002-524767
• the present invention has been made in view of the above circumstances, and an object thereof is to provide a security gate system and a security gate control method capable of inspecting an inspection object in a short time and with high accuracy.
• the security gate system of the present invention includes a main passage, a mass analyzer for analyzing a sample acquired from an inspection object moving in the main passage, and the downstream side in the movement direction of the inspection target from the sample acquisition position. At least one branch passage branched from the main passage, and a flow to be inspected provided at a branch portion of the branch passage, the main passage and the branch passage. Switching means for switching to a path, and a control device for controlling the switching means based on the analysis result by the mass analyzer.
• the security gate system can be applied to a security gate in a place where people gather, such as a station, an airport, a harbor, a baseball field, a soccer field, an event hall, a theater, a museum, and a museum.
• the inspection object for example, a user who uses such a facility, and at least one of his / her carry-on items (eg, baggage) and wearing items (eg, clothes) are assumed. Then, the dangerous substances contained in the sample obtained by the user are analyzed. It is desirable that the sample collected when the inspection object moves in the main passage should be performed in a short time so as not to hinder the movement of the inspection object. For example, the air blown against the object to be inspected, or an article such as a facility use ticket or a transportation ticket given by the user (hereinafter referred to as a “ticket”! Or U) is used as a sample. It is possible.
• Mass analyzers for identifying dangerous substances such as explosives from collected samples can be detected almost instantaneously. For this reason, the flow of the inspection object is not hindered.
• a known device can be used as the mass analyzer.
• the control device controls the switching means (for example, a gate) to switch the path to be inspected. Therefore, certain objects that require more detailed inspections and prevent movement of other inspection objects when staying in the main passage and other inspection objects that do not require detailed inspection are automatically Will be guided to different paths.
• This branch path also has only one main path force branched, and based on the detection results of the mass spectrometer, a more detailed inspection is evaluated in multiple stages, so Multiple branch passages may be provided.
• the inspection object may be a vehicle to be operated by a person, cargo in a freight collection area, and the like.
• the subject to be inspected may be a person, and the mass analyzer may identify a substance attached to the ticket handed over by the human power as the sample.
• the security gate system of the present invention may include a fine inspection device that inspects a sample obtained from an inspection object in the branch passage in detail.
• the fine inspection device in the branch passage, it is possible to perform a reliable inspection when it is determined that a more detailed inspection is necessary based on the detection result by the mass analyzer.
• the inspection object is divided by the gate based on the inspection result of the mass spectrometer, and the inspection is performed by the fine inspection device only when necessary, so that movement of many general inspection objects is not hindered, and Inspection accuracy can be improved by conducting more detailed inspection (which requires inspection time) when necessary.
• the fine inspection device may include a pulse neutron inspection device or a z and X-ray inspection device. As a result, it is possible to detect a target object (for example, baggage) without opening it.
• the accuracy of the pulse neutron inspection device is higher than that of X-rays, and the accuracy can be further improved by combining the Nord neutron inspection device and X-rays.
• a gate is further provided in the branch passage on the downstream side in the moving direction of the inspection object from the inspection position of the fine inspection device. May control the opening and closing of the gate based on the result of detection by the fine inspection apparatus!
• the user can be prevented from entering the facility, or can be led to an accurate passage on the downstream side.
• the security gate system of the present invention may further include a millimeter wave analyzer for inspecting an inspection object moving in the main passage.
• the millimeter wave analyzer By combining the millimeter wave analyzer with the mass analyzer, it becomes possible to perform inspection with higher accuracy. In addition, the millimeter wave analyzer, like the mass analyzer, does not hinder the movement of the inspection object with a short inspection time.
• the security gate control method of the present invention requires that a sample is collected from an inspection object moving in the main passage, the sample is inspected by a mass analyzer, and a more detailed inspection is required according to the inspection result. Branching the inspection object determined to be the main passage force.
• the gate is controlled based on the detection result of the mass analyzer, and the path of the inspection object (for example, a person) is switched. Therefore, an object that requires more detailed inspection and that prevents movement and an object that does not require detailed inspection are automatically guided to different paths.
• the object to be inspected may be a person, and the substance attached to the ticket handed over as the sample may be identified by the mass analyzer.
• the security gate control method of the present invention is characterized in that a detailed inspection is further performed in at least one of the branched paths to be inspected.
• Inspection objects that require detailed inspection based on the inspection results of the mass analyzer are guided by switching of the switching means by the control device and are inspected by the fine inspection device. In other words, because some inspection objects that require inspection time are guided to the branch passage, inspection can be performed quickly without obstructing the flow of many other inspection targets.
• FIG. 1 is a schematic configuration diagram of a security gate system shown as an embodiment of the present invention.
• FIG.2 Schematic configuration of the millimeter wave analyzer used in the security gate system.
• FIG. 3 This figure shows the identification of explosives by the pulse neutron inspection device used in the security gate system.
• FIG. 4 A flowchart showing the security gate control method by the security gate system.
• FIG. 5 is a schematic configuration diagram of a security gate system shown as another embodiment of the present invention.
• FIG. 6 A flowchart showing the security gate control method by the security gate system.
• FIG. 7 is a schematic configuration diagram of a security gate system shown as another embodiment of the present invention.
• FIG. 8 A flowchart showing a security gate control method by the security gate system.
• FIG. 9 is a schematic configuration diagram of a security gate system shown as another embodiment of the present invention.
• FIG. 10 is a flowchart showing a security gate control method by the security gate system.
• FIG. 11 is a schematic configuration diagram of a security gate system shown as another embodiment of the present invention.
• FIG. 12 is a flowchart showing a security gate control method by the security gate system.
• FIG. 13 is a schematic configuration diagram of a security gate system shown as another embodiment of the present invention.
• FIG. 14 is a flowchart showing a security gate control method by the security gate system. Explanation of symbols
• FIG. 1 is a schematic configuration diagram of a security gate system shown as an embodiment of the present invention.
• a test object the dangerous goods that are carried in the baggage and the clothes of facility users who use facilities such as airports (hereinafter simply referred to as “users”) It is a system that detects
• the security gate system 1 includes a main passage 2, a mass analyzer 3 provided in the main passage 2, and a millimeter wave analyzer 4.
• a first gate 5 and a second gate 6 are provided downstream of the millimeter wave analyzer 4.
• the first gate 5 is a door that opens and closes the main passage 2
• the second gate 6 opens and closes the entrance of the branch passage 10 that branches from the main passage 2 on the downstream side of the mass analyzer 3 and the millimeter wave analyzer 4. It is a door.
• a pulse neutron inspection device 11 is provided, and a third gate 12 is provided downstream thereof.
• the third gate 12 is a door that opens and closes the branch passage 10.
• the control device 20 determines the inspection result by the mass analysis analyzer 4 and the mass analysis result determination unit 21 that determines the inspection result by the mass analyzer 3.
• a millimeter wave inspection result determination unit 22 for determining, a pulse neutron inspection result determination unit 23 for determining a determination result by the pulse neutron inspection device 11, a first gate control unit 26 for controlling opening and closing of the first gate 5, 2 includes a second gate control unit 27 that controls opening and closing of the gate 6, a third gate control unit 28 that controls opening and closing of the third gate 12, and a CPU 30 that controls these control units and the determination unit in an integrated manner. .
• an ionization means for ionizing the sample gas with vacuum ultraviolet light an ion trap for accumulating ions of dangerous substances (explosives, etc.) as a specific mass among the ions ionized with the vacuum ultraviolet light, and A time-of-flight mass analyzing means for accelerating the ions accumulated in the ion trap and identifying the chemical substance of the specific mass in the sample gas based on the time of flight of the accelerated ions.
• the sample gas may be a gas containing a substance attached to a ticket given to the user.
• blow air to the person who passes, and take the air as sample gas As a result, it is possible to determine whether or not dangerous substances adhere to clothes or the like.
• the mass analyzer 3 by using the mass analyzer 3, it is possible to directly identify dangerous substances that the user may have in a short time rather than visually.
• the millimeter wave analyzer 4 As the millimeter wave analyzer 4, a known one can be adopted. For example, a scan system described in JP-T-2002-524476 7 can be used. As shown schematically in Fig. 2, it has a millimeter-wave transmitting antenna 60 and a millimeter-wave receiving antenna 61, scans the user and his / her baggage for the millimeter wave transmitted by the transmitter 62, and receives the received wave. Force also obtains a complex holographic signal. Thus, the operator visually determines the user's belongings and the like.
• the user can scan things hidden in the clothes worn by the user and their baggage when passing in front of the antennas 60 and 61. .
• the millimeter wave analyzer 4 the user can inspect without stopping. Unlike X-ray inspection equipment used at airports, etc., it is safe to inspect the human body. Can be ashamed.
• the mass analyzer 3 and millimeter wave analyzer 4 can be tested in about 1 second.
• the Norse neutron inspection apparatus 11 a known apparatus can be adopted. For example, it is possible to use a device that detects explosives by detecting gamma rays, which has been used for V and container in the past. Pulse neutrons are irradiated to baggage, and the element ratio shown in Fig. 3 is calculated using both fast neutrons and gamma rays from thermal neutrons. Explosives can be identified from the nitrogen Z oxygen ratio and the carbon Z oxygen ratio.
• the control device 20 can use a known computer system, and has a known configuration such as a CPU 30 and the like, a storage device such as an HDD storing ROM, RAM, and a program, an input / output interface, and a display.
• the first gate 5 and the second gate 6 guide the flow of people passing through the main passage 2 to the branch passage 10 side as appropriate. Opening and closing is controlled by the control device 20, and either one is selectively opened
• the mass analyzer 3 identifies the dangerous substances attached to the ticket. For example, when a user touches explosives in advance, the molecule is attached to a hand ticket. Mass analyzer 3 identifies the molecular weight force of the substance attached to the ticket.
• the user passes through the millimeter wave analyzer 4, and at that time, the millimeter wave analyzer 4 detects the presence or absence of dangerous substances in the baggage or clothes worn on the body.
• Detection by the mass analyzer 3 and the millimeter wave analyzer 4 is completed in about 1 second, and the user performs these tests without stopping.
• step S2 the CPU 30 controls each gate. First gate 5 is opened and second gate 6 is closed. As a result, the user is guided to the main passage 2 and passes through the first gate 5 without stopping. The user who has passed through the first gate 5 passes through the security gate system 1 as it is, and the processing is completed.
• step S3 the CPU 30 controls each gate.
• the first gate 5 is closed, the second gate 6 is opened, and the third gate 12 is closed.
• the user is guided to the branch passage 10.
• the user's baggage is analyzed by the pulse neutron inspection device 11.
• CCU30 proceeds to step S5 if the value is 0, and to step S6 if the value is 1.
• step S5 the CPU 30 opens the third gate 12, and the user is guided by the branch passage 10 and passes through the third gate 12. This user can be examined by human means such as interrogation if necessary.
• step S6 the CPU 30 closes the second gate 6 and prevents the user from passing. If necessary, processing such as issuing an alarm can be performed.
• the security gate system 1 of the present embodiment many general users simply pass through the main passage 2 to complete the security check. Some users who need more detailed inspection are guided by the switching of the gate by the CPU 30 and are inspected by the pulse neutron inspection device 11. Therefore, the inspection can be performed quickly without hindering the passage of users in the main passage 2. In addition, it detects the substance attached to the ticket touched by the user, so it does not interfere with the user's walking. For ordinary users, just passing a ticket in the same way as a normal gate does not cause any confusion.
• the mass analyzer 3 by combining the mass analyzer 3 and the millimeter wave analyzer 4, an accurate inspection can be performed.
• the hazardous substance is mechanically detected using the mass analyzer 3 without relying solely on the skill of the inspector, more reliable inspection is possible.
• FIG. 5 shows a second embodiment of the security gate system.
• the configuration of the security gate system 50 is the same as that of the first embodiment except that the millimeter wave analyzer 4 is not provided.
• the subsequent configuration is the same as that of the first embodiment.
• the inspection can be performed quickly without hindering the passage of the user.
• FIG. 7 shows a third embodiment of the security gate system.
• the configuration of the security gate system 51 is the same as that of the first embodiment except that the X-ray inspection device 32 is provided together with the pulse neutron inspection device 11.
• the detection result of the X-ray inspection device 32 is determined by the X-ray inspection result determination unit 33.
• Other steps are the same as those in the first embodiment. According to the present embodiment, the same effects as the first embodiment can be obtained, and the X-ray inspection device 32 is used together with the pulse neutron inspection device 11 to detect dangerous substances, thereby improving accuracy. can do.
• FIG. 9 shows a fourth embodiment of the security gate system.
• the security gate system 52 does not include the millimeter wave analyzer 4 as in the second embodiment, and includes the X-ray inspection device 32 together with the pulse neutron inspection device 11 as in the third embodiment. Other configurations are the same as those in the first embodiment.
• FIG. 10 shows the operation flow of this system. The details are the same as those in each of the above embodiments, and a description thereof will be omitted.
• the accuracy can be improved.
• an X-ray inspection device 32 may be provided instead of the pulse neutron inspection apparatus 11 of the second embodiment. Further, as in the security gate system 54 of the sixth embodiment shown in FIGS. 13 and 14, an X-ray inspection device 32 may be provided instead of the Norse neutron inspection apparatus 11 of the first embodiment.
• step S4 of the third and fourth embodiments when the force J3 + J4> 1 is set as the condition for proceeding to step S6 with ⁇ 3 + J4> 0, the process may proceed to step S6. ⁇ . In other words, if both the detection results of the pulse neutron inspection device 11 and the X-ray inspection device 32 are suspected, proceed to step S6 to issue an alarm or the like.
• the mass analyzer 3 identifies the dangerous substance attached to the ticket.
• air may be blown to the user and the substance contained in the air may be inspected. Yes. Even in this case, the inspection can be performed promptly without obstructing the passage of the user.
• a gate is not provided on the downstream side of the mass analyzer 3, and an alarm is issued according to the result of inspection by the mass analyzer 3 on a ticket or the like given from a facility user passing through the main passage 2. It may be applied to such a system. In this case, the staff may inspect the user in detail or guide it to another location. Even in this case, the user usually In the same way as using the facility, it is possible to carry out the inspection without causing confusion for the user by simply passing a ticket. In addition, it will be possible to apply this technology to existing equipment without making major improvements such as changing the passage or installing gates.

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• 2006
  • 2006-01-11 JP JP2006003675A patent/JP4241734B2/ja not_active Expired - Fee Related
• 2007
  • 2007-01-11 WO PCT/JP2007/050263 patent/WO2007080930A1/ja active Application Filing
  • 2007-01-11 US US12/086,765 patent/US20090014638A1/en not_active Abandoned
  • 2007-01-11 EP EP07706610A patent/EP1972932A4/de not_active Withdrawn

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